Home / 5,020.47-6,928.07-3,030.84

Finding the Fourth Proportional to 5,020.47, 6,928.07 and 3,030.84

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Solution

The fourth proportional to 5,020.47, 6,928.07 and 3,030.84 is: 4,182.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,020.47 : 6,928.07 = 3,030.84 : x
  2. Step 2: Convert to fraction form
    5,020.47/6,928.07 = 3,030.84/x
  3. Step 3: Cross multiply
    5,020.47x = 6,928.07 × 3,030.84
  4. Step 4: Simplify right side
    5,020.47x = 20,997,856.52
  5. Step 5: Solve for x
    x = 20,997,856.52/5,020.47
  6. Step 6: Final answer
    x = 4,182.45

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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.