Home / 5,599.38-8,402.84-2,312.40

Finding the Fourth Proportional to 5,599.38, 8,402.84 and 2,312.40

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Solution

The fourth proportional to 5,599.38, 8,402.84 and 2,312.40 is: 3,470.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,599.38 : 8,402.84 = 2,312.40 : x
  2. Step 2: Convert to fraction form
    5,599.38/8,402.84 = 2,312.40/x
  3. Step 3: Cross multiply
    5,599.38x = 8,402.84 × 2,312.40
  4. Step 4: Simplify right side
    5,599.38x = 19,430,727.22
  5. Step 5: Solve for x
    x = 19,430,727.22/5,599.38
  6. Step 6: Final answer
    x = 3,470.16

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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.