Home / 1,472.08-2,030.89-948.42

Finding the Fourth Proportional to 1,472.08, 2,030.89 and 948.42

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Solution

The fourth proportional to 1,472.08, 2,030.89 and 948.42 is: 1,308.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,472.08 : 2,030.89 = 948.42 : x
  2. Step 2: Convert to fraction form
    1,472.08/2,030.89 = 948.42/x
  3. Step 3: Cross multiply
    1,472.08x = 2,030.89 × 948.42
  4. Step 4: Simplify right side
    1,472.08x = 1,926,126.54
  5. Step 5: Solve for x
    x = 1,926,126.54/1,472.08
  6. Step 6: Final answer
    x = 1,308.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.