Home / 6,111.04-8,435.58-4,785.20

Finding the Fourth Proportional to 6,111.04, 8,435.58 and 4,785.20

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Solution

The fourth proportional to 6,111.04, 8,435.58 and 4,785.20 is: 6,605.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,111.04 : 8,435.58 = 4,785.20 : x
  2. Step 2: Convert to fraction form
    6,111.04/8,435.58 = 4,785.20/x
  3. Step 3: Cross multiply
    6,111.04x = 8,435.58 × 4,785.20
  4. Step 4: Simplify right side
    6,111.04x = 40,365,937.42
  5. Step 5: Solve for x
    x = 40,365,937.42/6,111.04
  6. Step 6: Final answer
    x = 6,605.41

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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.