Home / 3,572.18-5,358.62-975.11

Finding the Fourth Proportional to 3,572.18, 5,358.62 and 975.11

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Solution

The fourth proportional to 3,572.18, 5,358.62 and 975.11 is: 1,462.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,572.18 : 5,358.62 = 975.11 : x
  2. Step 2: Convert to fraction form
    3,572.18/5,358.62 = 975.11/x
  3. Step 3: Cross multiply
    3,572.18x = 5,358.62 × 975.11
  4. Step 4: Simplify right side
    3,572.18x = 5,225,243.95
  5. Step 5: Solve for x
    x = 5,225,243.95/3,572.18
  6. Step 6: Final answer
    x = 1,462.76

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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.