Home / 7,274.72-10,038.74-4,130.84

Finding the Fourth Proportional to 7,274.72, 10,038.74 and 4,130.84

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Solution

The fourth proportional to 7,274.72, 10,038.74 and 4,130.84 is: 5,700.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,274.72 : 10,038.74 = 4,130.84 : x
  2. Step 2: Convert to fraction form
    7,274.72/10,038.74 = 4,130.84/x
  3. Step 3: Cross multiply
    7,274.72x = 10,038.74 × 4,130.84
  4. Step 4: Simplify right side
    7,274.72x = 41,468,428.74
  5. Step 5: Solve for x
    x = 41,468,428.74/7,274.72
  6. Step 6: Final answer
    x = 5,700.35

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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.