Home / 4,931.24-7,394.40-1,810.64

Finding the Fourth Proportional to 4,931.24, 7,394.40 and 1,810.64

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Solution

The fourth proportional to 4,931.24, 7,394.40 and 1,810.64 is: 2,715.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,931.24 : 7,394.40 = 1,810.64 : x
  2. Step 2: Convert to fraction form
    4,931.24/7,394.40 = 1,810.64/x
  3. Step 3: Cross multiply
    4,931.24x = 7,394.40 × 1,810.64
  4. Step 4: Simplify right side
    4,931.24x = 13,388,596.42
  5. Step 5: Solve for x
    x = 13,388,596.42/4,931.24
  6. Step 6: Final answer
    x = 2,715.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.