Home / 6,587.28-9,877.32-2,688.48

Finding the Fourth Proportional to 6,587.28, 9,877.32 and 2,688.48

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Solution

The fourth proportional to 6,587.28, 9,877.32 and 2,688.48 is: 4,031.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,587.28 : 9,877.32 = 2,688.48 : x
  2. Step 2: Convert to fraction form
    6,587.28/9,877.32 = 2,688.48/x
  3. Step 3: Cross multiply
    6,587.28x = 9,877.32 × 2,688.48
  4. Step 4: Simplify right side
    6,587.28x = 26,554,977.27
  5. Step 5: Solve for x
    x = 26,554,977.27/6,587.28
  6. Step 6: Final answer
    x = 4,031.25

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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.