Home / 5,113.63-7,056.95-2,875.37

Finding the Fourth Proportional to 5,113.63, 7,056.95 and 2,875.37

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Solution

The fourth proportional to 5,113.63, 7,056.95 and 2,875.37 is: 3,968.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,113.63 : 7,056.95 = 2,875.37 : x
  2. Step 2: Convert to fraction form
    5,113.63/7,056.95 = 2,875.37/x
  3. Step 3: Cross multiply
    5,113.63x = 7,056.95 × 2,875.37
  4. Step 4: Simplify right side
    5,113.63x = 20,291,360.29
  5. Step 5: Solve for x
    x = 20,291,360.29/5,113.63
  6. Step 6: Final answer
    x = 3,968.09

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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.