Home / 5,360.58-7,397.40-2,970.66

Finding the Fourth Proportional to 5,360.58, 7,397.40 and 2,970.66

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Solution

The fourth proportional to 5,360.58, 7,397.40 and 2,970.66 is: 4,099.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,360.58 : 7,397.40 = 2,970.66 : x
  2. Step 2: Convert to fraction form
    5,360.58/7,397.40 = 2,970.66/x
  3. Step 3: Cross multiply
    5,360.58x = 7,397.40 × 2,970.66
  4. Step 4: Simplify right side
    5,360.58x = 21,975,160.28
  5. Step 5: Solve for x
    x = 21,975,160.28/5,360.58
  6. Step 6: Final answer
    x = 4,099.40

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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.