Home / 2,875.70-4,313.67-2,392.16

Finding the Fourth Proportional to 2,875.70, 4,313.67 and 2,392.16

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Solution

The fourth proportional to 2,875.70, 4,313.67 and 2,392.16 is: 3,588.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,875.70 : 4,313.67 = 2,392.16 : x
  2. Step 2: Convert to fraction form
    2,875.70/4,313.67 = 2,392.16/x
  3. Step 3: Cross multiply
    2,875.70x = 4,313.67 × 2,392.16
  4. Step 4: Simplify right side
    2,875.70x = 10,318,988.83
  5. Step 5: Solve for x
    x = 10,318,988.83/2,875.70
  6. Step 6: Final answer
    x = 3,588.34

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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.