Home / 1,472.32-2,205.28-895.68

Finding the Fourth Proportional to 1,472.32, 2,205.28 and 895.68

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Solution

The fourth proportional to 1,472.32, 2,205.28 and 895.68 is: 1,341.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,472.32 : 2,205.28 = 895.68 : x
  2. Step 2: Convert to fraction form
    1,472.32/2,205.28 = 895.68/x
  3. Step 3: Cross multiply
    1,472.32x = 2,205.28 × 895.68
  4. Step 4: Simplify right side
    1,472.32x = 1,975,225.19
  5. Step 5: Solve for x
    x = 1,975,225.19/1,472.32
  6. Step 6: Final answer
    x = 1,341.57

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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.