Home / 5,342.16-7,371.48-2,984.40

Finding the Fourth Proportional to 5,342.16, 7,371.48 and 2,984.40

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Solution

The fourth proportional to 5,342.16, 7,371.48 and 2,984.40 is: 4,118.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,342.16 : 7,371.48 = 2,984.40 : x
  2. Step 2: Convert to fraction form
    5,342.16/7,371.48 = 2,984.40/x
  3. Step 3: Cross multiply
    5,342.16x = 7,371.48 × 2,984.40
  4. Step 4: Simplify right side
    5,342.16x = 21,999,444.91
  5. Step 5: Solve for x
    x = 21,999,444.91/5,342.16
  6. Step 6: Final answer
    x = 4,118.08

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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.