Home / 4,931.28-6,805.08-2,835

Finding the Fourth Proportional to 4,931.28, 6,805.08 and 2,835

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Solution

The fourth proportional to 4,931.28, 6,805.08 and 2,835 is: 3,912.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,931.28 : 6,805.08 = 2,835 : x
  2. Step 2: Convert to fraction form
    4,931.28/6,805.08 = 2,835/x
  3. Step 3: Cross multiply
    4,931.28x = 6,805.08 × 2,835
  4. Step 4: Simplify right side
    4,931.28x = 19,292,401.80
  5. Step 5: Solve for x
    x = 19,292,401.80/4,931.28
  6. Step 6: Final answer
    x = 3,912.25

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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.