Home / 5,580.96-7,700.40-3,592.16

Finding the Fourth Proportional to 5,580.96, 7,700.40 and 3,592.16

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Solution

The fourth proportional to 5,580.96, 7,700.40 and 3,592.16 is: 4,956.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,580.96 : 7,700.40 = 3,592.16 : x
  2. Step 2: Convert to fraction form
    5,580.96/7,700.40 = 3,592.16/x
  3. Step 3: Cross multiply
    5,580.96x = 7,700.40 × 3,592.16
  4. Step 4: Simplify right side
    5,580.96x = 27,661,068.86
  5. Step 5: Solve for x
    x = 27,661,068.86/5,580.96
  6. Step 6: Final answer
    x = 4,956.33

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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.