Home / 7,270.06-10,031.47-4,285.49

Finding the Fourth Proportional to 7,270.06, 10,031.47 and 4,285.49

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Solution

The fourth proportional to 7,270.06, 10,031.47 and 4,285.49 is: 5,913.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,270.06 : 10,031.47 = 4,285.49 : x
  2. Step 2: Convert to fraction form
    7,270.06/10,031.47 = 4,285.49/x
  3. Step 3: Cross multiply
    7,270.06x = 10,031.47 × 4,285.49
  4. Step 4: Simplify right side
    7,270.06x = 42,989,714.21
  5. Step 5: Solve for x
    x = 42,989,714.21/7,270.06
  6. Step 6: Final answer
    x = 5,913.26

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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.