Home / 7,347.03-10,133.65-5,190.10

Finding the Fourth Proportional to 7,347.03, 10,133.65 and 5,190.10

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Solution

The fourth proportional to 7,347.03, 10,133.65 and 5,190.10 is: 7,158.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,347.03 : 10,133.65 = 5,190.10 : x
  2. Step 2: Convert to fraction form
    7,347.03/10,133.65 = 5,190.10/x
  3. Step 3: Cross multiply
    7,347.03x = 10,133.65 × 5,190.10
  4. Step 4: Simplify right side
    7,347.03x = 52,594,656.87
  5. Step 5: Solve for x
    x = 52,594,656.87/7,347.03
  6. Step 6: Final answer
    x = 7,158.63

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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.