Home / 5,572.31-7,689.67-3,088.31

Finding the Fourth Proportional to 5,572.31, 7,689.67 and 3,088.31

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Solution

The fourth proportional to 5,572.31, 7,689.67 and 3,088.31 is: 4,261.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,572.31 : 7,689.67 = 3,088.31 : x
  2. Step 2: Convert to fraction form
    5,572.31/7,689.67 = 3,088.31/x
  3. Step 3: Cross multiply
    5,572.31x = 7,689.67 × 3,088.31
  4. Step 4: Simplify right side
    5,572.31x = 23,748,084.76
  5. Step 5: Solve for x
    x = 23,748,084.76/5,572.31
  6. Step 6: Final answer
    x = 4,261.80

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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.