Home / 5,877.60-8,111.28-3,225.12

Finding the Fourth Proportional to 5,877.60, 8,111.28 and 3,225.12

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Solution

The fourth proportional to 5,877.60, 8,111.28 and 3,225.12 is: 4,450.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,877.60 : 8,111.28 = 3,225.12 : x
  2. Step 2: Convert to fraction form
    5,877.60/8,111.28 = 3,225.12/x
  3. Step 3: Cross multiply
    5,877.60x = 8,111.28 × 3,225.12
  4. Step 4: Simplify right side
    5,877.60x = 26,159,851.35
  5. Step 5: Solve for x
    x = 26,159,851.35/5,877.60
  6. Step 6: Final answer
    x = 4,450.77

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.