Home / 5,356.34-8,031.53-1,657.52

Finding the Fourth Proportional to 5,356.34, 8,031.53 and 1,657.52

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Solution

The fourth proportional to 5,356.34, 8,031.53 and 1,657.52 is: 2,485.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,356.34 : 8,031.53 = 1,657.52 : x
  2. Step 2: Convert to fraction form
    5,356.34/8,031.53 = 1,657.52/x
  3. Step 3: Cross multiply
    5,356.34x = 8,031.53 × 1,657.52
  4. Step 4: Simplify right side
    5,356.34x = 13,312,421.61
  5. Step 5: Solve for x
    x = 13,312,421.61/5,356.34
  6. Step 6: Final answer
    x = 2,485.36

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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.