Home / 4,312.79-5,947.70-3,196.51

Finding the Fourth Proportional to 4,312.79, 5,947.70 and 3,196.51

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Solution

The fourth proportional to 4,312.79, 5,947.70 and 3,196.51 is: 4,408.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,312.79 : 5,947.70 = 3,196.51 : x
  2. Step 2: Convert to fraction form
    4,312.79/5,947.70 = 3,196.51/x
  3. Step 3: Cross multiply
    4,312.79x = 5,947.70 × 3,196.51
  4. Step 4: Simplify right side
    4,312.79x = 19,011,875.65
  5. Step 5: Solve for x
    x = 19,011,875.65/4,312.79
  6. Step 6: Final answer
    x = 4,408.26

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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.