Home / 7,474.02-10,315.36-5,702.28

Finding the Fourth Proportional to 7,474.02, 10,315.36 and 5,702.28

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Solution

The fourth proportional to 7,474.02, 10,315.36 and 5,702.28 is: 7,870.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,474.02 : 10,315.36 = 5,702.28 : x
  2. Step 2: Convert to fraction form
    7,474.02/10,315.36 = 5,702.28/x
  3. Step 3: Cross multiply
    7,474.02x = 10,315.36 × 5,702.28
  4. Step 4: Simplify right side
    7,474.02x = 58,821,071.02
  5. Step 5: Solve for x
    x = 58,821,071.02/7,474.02
  6. Step 6: Final answer
    x = 7,870.07

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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.