Home / 5,316.84-7,970.40-4,500.36

Finding the Fourth Proportional to 5,316.84, 7,970.40 and 4,500.36

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Solution

The fourth proportional to 5,316.84, 7,970.40 and 4,500.36 is: 6,746.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,316.84 : 7,970.40 = 4,500.36 : x
  2. Step 2: Convert to fraction form
    5,316.84/7,970.40 = 4,500.36/x
  3. Step 3: Cross multiply
    5,316.84x = 7,970.40 × 4,500.36
  4. Step 4: Simplify right side
    5,316.84x = 35,869,669.34
  5. Step 5: Solve for x
    x = 35,869,669.34/5,316.84
  6. Step 6: Final answer
    x = 6,746.43

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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.