Home / 1,547.32-2,320.86-1,367.32

Finding the Fourth Proportional to 1,547.32, 2,320.86 and 1,367.32

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Solution

The fourth proportional to 1,547.32, 2,320.86 and 1,367.32 is: 2,050.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,547.32 : 2,320.86 = 1,367.32 : x
  2. Step 2: Convert to fraction form
    1,547.32/2,320.86 = 1,367.32/x
  3. Step 3: Cross multiply
    1,547.32x = 2,320.86 × 1,367.32
  4. Step 4: Simplify right side
    1,547.32x = 3,173,358.30
  5. Step 5: Solve for x
    x = 3,173,358.30/1,547.32
  6. Step 6: Final answer
    x = 2,050.87

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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.