Home / 5,948.78-8,962.75-5,386.28

Finding the Fourth Proportional to 5,948.78, 8,962.75 and 5,386.28

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Solution

The fourth proportional to 5,948.78, 8,962.75 and 5,386.28 is: 8,115.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,948.78 : 8,962.75 = 5,386.28 : x
  2. Step 2: Convert to fraction form
    5,948.78/8,962.75 = 5,386.28/x
  3. Step 3: Cross multiply
    5,948.78x = 8,962.75 × 5,386.28
  4. Step 4: Simplify right side
    5,948.78x = 48,275,881.07
  5. Step 5: Solve for x
    x = 48,275,881.07/5,948.78
  6. Step 6: Final answer
    x = 8,115.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.