Home / 5,370.09-7,411.02-3,012.57

Finding the Fourth Proportional to 5,370.09, 7,411.02 and 3,012.57

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Solution

The fourth proportional to 5,370.09, 7,411.02 and 3,012.57 is: 4,157.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,370.09 : 7,411.02 = 3,012.57 : x
  2. Step 2: Convert to fraction form
    5,370.09/7,411.02 = 3,012.57/x
  3. Step 3: Cross multiply
    5,370.09x = 7,411.02 × 3,012.57
  4. Step 4: Simplify right side
    5,370.09x = 22,326,216.52
  5. Step 5: Solve for x
    x = 22,326,216.52/5,370.09
  6. Step 6: Final answer
    x = 4,157.51

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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.