Home / 5,457.02-7,530.23-3,099.51

Finding the Fourth Proportional to 5,457.02, 7,530.23 and 3,099.51

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Solution

The fourth proportional to 5,457.02, 7,530.23 and 3,099.51 is: 4,277.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,457.02 : 7,530.23 = 3,099.51 : x
  2. Step 2: Convert to fraction form
    5,457.02/7,530.23 = 3,099.51/x
  3. Step 3: Cross multiply
    5,457.02x = 7,530.23 × 3,099.51
  4. Step 4: Simplify right side
    5,457.02x = 23,340,030.94
  5. Step 5: Solve for x
    x = 23,340,030.94/5,457.02
  6. Step 6: Final answer
    x = 4,277.07

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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.