Home / 7,056.64-10,580.16-3,587.20

Finding the Fourth Proportional to 7,056.64, 10,580.16 and 3,587.20

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Solution

The fourth proportional to 7,056.64, 10,580.16 and 3,587.20 is: 5,378.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,056.64 : 10,580.16 = 3,587.20 : x
  2. Step 2: Convert to fraction form
    7,056.64/10,580.16 = 3,587.20/x
  3. Step 3: Cross multiply
    7,056.64x = 10,580.16 × 3,587.20
  4. Step 4: Simplify right side
    7,056.64x = 37,953,149.95
  5. Step 5: Solve for x
    x = 37,953,149.95/7,056.64
  6. Step 6: Final answer
    x = 5,378.36

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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.