Home / 5,045.49-6,962.85-2,807.46

Finding the Fourth Proportional to 5,045.49, 6,962.85 and 2,807.46

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Solution

The fourth proportional to 5,045.49, 6,962.85 and 2,807.46 is: 3,874.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,045.49 : 6,962.85 = 2,807.46 : x
  2. Step 2: Convert to fraction form
    5,045.49/6,962.85 = 2,807.46/x
  3. Step 3: Cross multiply
    5,045.49x = 6,962.85 × 2,807.46
  4. Step 4: Simplify right side
    5,045.49x = 19,547,922.86
  5. Step 5: Solve for x
    x = 19,547,922.86/5,045.49
  6. Step 6: Final answer
    x = 3,874.34

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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.