Home / 5,587.16-8,374.88-1,888.12

Finding the Fourth Proportional to 5,587.16, 8,374.88 and 1,888.12

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Solution

The fourth proportional to 5,587.16, 8,374.88 and 1,888.12 is: 2,830.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,587.16 : 8,374.88 = 1,888.12 : x
  2. Step 2: Convert to fraction form
    5,587.16/8,374.88 = 1,888.12/x
  3. Step 3: Cross multiply
    5,587.16x = 8,374.88 × 1,888.12
  4. Step 4: Simplify right side
    5,587.16x = 15,812,778.43
  5. Step 5: Solve for x
    x = 15,812,778.43/5,587.16
  6. Step 6: Final answer
    x = 2,830.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.