Home / 2,995.08-4,130.40-1,875.66

Finding the Fourth Proportional to 2,995.08, 4,130.40 and 1,875.66

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Solution

The fourth proportional to 2,995.08, 4,130.40 and 1,875.66 is: 2,586.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,995.08 : 4,130.40 = 1,875.66 : x
  2. Step 2: Convert to fraction form
    2,995.08/4,130.40 = 1,875.66/x
  3. Step 3: Cross multiply
    2,995.08x = 4,130.40 × 1,875.66
  4. Step 4: Simplify right side
    2,995.08x = 7,747,226.06
  5. Step 5: Solve for x
    x = 7,747,226.06/2,995.08
  6. Step 6: Final answer
    x = 2,586.65

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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.