Home / 2,219.10-3,060.45-1,472.46

Finding the Fourth Proportional to 2,219.10, 3,060.45 and 1,472.46

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Solution

The fourth proportional to 2,219.10, 3,060.45 and 1,472.46 is: 2,030.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,219.10 : 3,060.45 = 1,472.46 : x
  2. Step 2: Convert to fraction form
    2,219.10/3,060.45 = 1,472.46/x
  3. Step 3: Cross multiply
    2,219.10x = 3,060.45 × 1,472.46
  4. Step 4: Simplify right side
    2,219.10x = 4,506,390.21
  5. Step 5: Solve for x
    x = 4,506,390.21/2,219.10
  6. Step 6: Final answer
    x = 2,030.73

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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.